Resonator coil



FIG. 1 is a perspective view of a first embodiment of a resonator coil showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a back elevation view thereof;

FIG. 6 is a right elevation view thereof;

FIG. 7 is a left elevation view thereof;

FIG. 8 is a perspective view of a second embodiment of a resonator coil showing my new design;

FIG. 9 is a top plan view thereof;

FIG. 10 is a bottom plan view thereof;

FIG. 11 is a front elevation view thereof;

FIG. 12 is a back elevation view thereof;

FIG. 13 is a right elevation view thereof; and,

FIG. 14 is a left elevation view thereof.

The broken lines show portions of the resonator coil that form no part of the claimed design. 

CLAIM The ornamental design for a resonator coil, substantially as shown and described. 